Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival signals an increase in average high-temperatures, moving from April's cool 51.4°F (10.8°C) to a refreshing 64.9°F (18.3°C). Andover, during May, witnesses an average low-temperature of 44.4°F (6.9°C).Humidity
April and May, with an average relative humidity of 75%, are the least humid months in Andover.Rainfall
In Andover, in May, it is raining for 11.1 days, with typically 1.14" (29mm) of accumulated precipitation. In Andover, during the entire year, the rain falls for 103.3 days and collects up to 12.52" (318mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Andover aggregates 0.08" (2mm) of snow. In Andover, during the entire year, snow falls for 43.2 days and aggregates up to 14.49" (368mm) of snow.Daylight
In Andover, the average length of the day in May is 14h and 43min.On the first day of May, sunrise is at 5:38 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:20 pm EDT.
Sunshine
In Andover, the average sunshine in May is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the least humid month?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Andover have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Andover have in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Andover, NH
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in May: 44.4°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in May
Andover, NH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Andover, NH
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Andover, NH
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in May
Andover, NH
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Andover, NH
- Average rainfall days in May: 11.1 days
The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in May
Andover, NH
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Andover, NH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Andover, NH
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Andover, NH
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is February (16.1 days).
Average UV index in May
Andover, NH
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Andover, NH
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Andover, NH
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Andover, New Hampshire, USA
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